<template>
  <div>
             <!-- 面包屑导航区域 -->
     <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>      
     </el-breadcrumb>
     <!-- 卡片视图 -->
    <el-card>
        <el-row :gutter="20">
            <el-col :span="8">
                  <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                  <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                  </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="goAddPage">添加商品</el-button>
            </el-col>
        </el-row>
        <!-- 表格区域 -->
        <el-table :data="goodsList" border stripe>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="商品名称" prop="goods_name"></el-table-column>
              <el-table-column label="商品价格" prop="goods_price" width="95px"></el-table-column>
              <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
              <el-table-column label="创建时间" prop="add_time" width="140px">
                  <template slot-scope="scope">
                      {{scope.row.add_time | dateFormat}}
                  </template>
              </el-table-column>
                <el-table-column label="操作" width="200px">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini">编辑</el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)">删除</el-button>
                    </template>
                </el-table-column>
        </el-table>
        <!-- 分页区域 -->
          <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
    data(){
        return{
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:5
            },
            goodsList:[],
            total:0
        }
    },
    created(){
        this.getGoodsList()
    },
    methods:{
       async getGoodsList(){
          const {data:res}= await this.$http.get('goods',{params:this.queryInfo})
          if(res.meta.status!==200){
              return this.$message.error('获取商品列表失败')
          }
          console.log(res.data)
          this.goodsList=res.data.goods
          this.total=res.data.total
        },
        //监听页码值
        handleSizeChange(newsize){
            this.queryInfo.pagesize=newsize
            this.getGoodsList()
        },
        //监听当前页
        handleCurrentChange(newNum){
            this.queryInfo.pagenum=newNum
            this.getGoodsList()
        },
        //根据id删除数据
       async removeById(id){
       const removeResult= await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
           confirmButtonText: '确定',
           cancelButtonText: '取消',
           type: 'warning'
         }).catch(err=>err)
         if(removeResult!=='confirm'){
             return this.$message.info('已经取消了删除')
         }
          const {data:res}= await this.$http.delete('goods/'+id)
          if(res.meta.status!==200){
              return this.$message.error('删除失败')
          }
            this.$message.success('删除成功')
            this.getGoodsList()
        },
        //跳转到添加页面
        goAddPage(){
            this.$router.push('/goods/add')
        }
    }
}
</script>

<style lang="less" scoped>

</style>